Home / 538,992,125.10-808,768,123.65-251,777,789.10

Finding the Fourth Proportional to 538,992,125.10, 808,768,123.65 and 251,777,789.10

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Solution

The fourth proportional to 538,992,125.10, 808,768,123.65 and 251,777,789.10 is: 377,797,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,992,125.10 : 808,768,123.65 = 251,777,789.10 : x
  2. Step 2: Convert to fraction form
    538,992,125.10/808,768,123.65 = 251,777,789.10/x
  3. Step 3: Cross multiply
    538,992,125.10x = 808,768,123.65 × 251,777,789.10
  4. Step 4: Simplify right side
    538,992,125.10x = 203,629,850,067,152,416
  5. Step 5: Solve for x
    x = 203,629,850,067,152,416/538,992,125.10
  6. Step 6: Final answer
    x = 377,797,449.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.